McLean County Public Internet Mapping GIS Site Launch Page

The McLean County Geographic Information System is a cooperative effort of a number of local government agencies with the common goal of providing better information with less duplication of effort. Through cooperative resource management McLean County GIS is developing a county-wide geographic information system to better serve the public and to aid in many local government decision making processes.The McLean County GIS is pleased to provide you with the following on-line mapping application to provide citizens of the McLean County access to geographic data and mapping capabilities.

This web site allows you to look at spatially referenced data. When using it, you can click on layers such as streets, buildings, and subdivision boundaries, to name a few. Some map features display automatically and will turn on and off depending on how far you are zoomed in or out on the map. To become familiar with all the tools and functionality, please review the help menus.

Step 1: Learn to Use the Maps

We recommend looking at the following prior to launching a map:


		Quick tutorial or help system (This and more help is also available within the application.) Developer copyright policy and disclaimer
		Step 2: Read the Disclaimer and Launch the Map Disclaimer: Click to Accept Disclaimer and Launch Map Viewer *Note:* If you use anti-popup software, we recommend that you temporarily disable it prior to using this site. This application works best with your screen resolution set at 1024 x 768 or larger.